Flat post bracket



FIG. 1 is a top perspective view of a flat post bracket showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof, a rear view being identical to the front view;

FIG. 5 is a right side view thereof, a left side view being identical to the right side view; and,

FIG. 6 is a bottom perspective view thereof. 

CLAIM The ornamental design for a flat post bracket, as shown and described. 